Nitrosamine

Organic compounds of the form >N–N=O

In organic chemistry, nitrosamines are organic compounds with the chemical structure R2N−N=O, where R is usually an alkyl group. They feature a nitroso group bonded to a deprotonated amine. Most nitrosamines are carcinogenic in nonhuman animals. N-Nitrosamines are some of the most potent and well-studied genotoxic compounds/carcinogens found in grains, tobacco, drinking water etc. as well as formed during drug synthesis, formulation or storage etc. A 2006 systematic review supports a "positive association between nitrite and nitrosamine intake and gastric cancer, between meat and processed meat intake and gastric cancer and oesophageal cancer, and between preserved fish, vegetable and smoked food intake and gastric cancer, but is not conclusive".

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